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09-07-2024 13:15

Malcolm  Greaves Malcolm Greaves

I have been cultivating some Goose dung and this A

06-07-2024 21:49

Joaquin Martin

Hello, I found this Scutellinia on Fagus, on very

04-07-2024 21:30

Thomas Læssøe

https://svampe.databasen.org/observations/10433321

05-07-2024 12:18

Peter Welt Peter Welt

Search the following article:  Seth, H.K. 1971.

05-07-2024 11:27

Thomas Læssøe

https://svampe.databasen.org/observations/10427894

28-06-2024 10:50

Thomas Læssøe

Spores ca. 47 x 32 µm, 2-celled, highly constrict

05-07-2024 00:46

Villalonga Paco

1 cm growing on herbaceous material (Carex sp?) in

30-06-2024 14:17

Thierry Blondelle Thierry Blondelle

HelloSur bois mort d'Alnus en milieu humide (bord

17-05-2024 16:25

Pavel Jiracek

Erioscyphella lunata, found on a fallen needle of

01-07-2024 17:16

Josep Torres Josep Torres

Salut.Quelques discomycètes rougeâtres entre 1,5

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ascobolus
Malcolm Greaves, 09-07-2024 13:15
Malcolm  GreavesI have been cultivating some Goose dung and this Ascobolus was quite frequent. It had the look of A albidus with its striate spores and gelatinous cap but they were too small at 16-19 long. This seems to point to Ascobolus sacchariferus but the literature suggests this is only found on deer dung.
Is it sacchariferus, a small version of albidus or something else?
Thanks
Mal
  • message #79667
  • message #79667
Michel Delpont, 09-07-2024 14:18
Michel Delpont
Re : ascobolus
Hello Malcolm.

Look for A.michaudii whose spores correspond better to your pics. Regarding A.saccariferus it can be found on substrates other than deer.

Michel.
Michel Hairaud, 09-07-2024 14:34
Michel Hairaud
Re : ascobolus
Bonjour Malcolm et Michel, 

The substrate is mentionned to welcome A. brantophilus. Looking at the crevices on spore surface , I wonder whether this name could not be considered ? Though spores may be a bit too small.


Amitiés
Michel
Malcolm Greaves, 09-07-2024 15:26
Malcolm  Greaves
Re : ascobolus
Thanks both. I don't know why I didn't consider A brantophilus, which I have seen before. The protruding asci look a better fit for that as well. I will try and go back and cultivate more and check my spore measurments again.

Mal

  • message #79670
Michel Hairaud, 09-07-2024 15:39
Michel Hairaud
Re : ascobolus
Do you have access to wild goose or in farmyards or else, Malcolm ? 

I remember a splendid plate by our late friend Chris yeats on this forum 3 years ago after your own plate in the Ascofrance database a yeara ago . Chris gave then some explanations on this species different sites and the ''taming'' process of Canadian geese 
Michel
Malcolm Greaves, 09-07-2024 15:45
Malcolm  Greaves
Re : ascobolus
These were samples of barnacle geese dung kindly supplied by collegues in Scotland. Collected just after they had arrived from Greenland. I was hoping to find one of the recently described 4 spored species of Ascobolus.
I had found A brantophilus on wild goose dung from a local country house lakeside.
I will look out the plate by Chris (seriously missed)
Mal
Michel Delpont, 09-07-2024 18:35
Michel Delpont
Re : ascobolus
I answered a little too quickly; indeed it could be brantophilus as far as the ornamentation is concerned, but on the other hand the spores are a little small. Dissing also speaks of a browner shade for the apothecia and a dextrinoid reaction for the cells of the ectal excipulum.

Michel.